Home / 1,237,465,549.27-1,707,668,415.44-680,548,623.67

Finding the Fourth Proportional to 1,237,465,549.27, 1,707,668,415.44 and 680,548,623.67

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Solution

The fourth proportional to 1,237,465,549.27, 1,707,668,415.44 and 680,548,623.67 is: 939,138,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,465,549.27 : 1,707,668,415.44 = 680,548,623.67 : x
  2. Step 2: Convert to fraction form
    1,237,465,549.27/1,707,668,415.44 = 680,548,623.67/x
  3. Step 3: Cross multiply
    1,237,465,549.27x = 1,707,668,415.44 × 680,548,623.67
  4. Step 4: Simplify right side
    1,237,465,549.27x = 1,162,151,389,804,749,824
  5. Step 5: Solve for x
    x = 1,162,151,389,804,749,824/1,237,465,549.27
  6. Step 6: Final answer
    x = 939,138,378.84

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.